LU-2739 mdt: Deny non-DNE client to access remote directory

[fs/lustre-release.git] / lustre / mdt / mdt_reint.c

diff --git a/lustre/mdt/mdt_reint.c b/lustre/mdt/mdt_reint.c
index b5c5cb9..f16da5d 100644 (file)
--- a/lustre/mdt/mdt_reint.c
+++ b/lustre/mdt/mdt_reint.c
@@ -326,6 +326,11 @@ static int mdt_md_create(struct mdt_thread_info *info)
                                       mdt2obd_dev(mdt)->obd_name);
                                GOTO(out_put_child, rc = -EPERM);
                        }
+                       if (!mdt_is_dne_client(mdt_info_req(info)->rq_export)) {
+                               /* Return -EIO for old client */
+                               GOTO(out_put_child, rc = -EIO);
+                       }
+
                }
                 ma->ma_need = MA_INODE;
                 ma->ma_valid = 0;
@@ -746,6 +751,10 @@ static int mdt_reint_unlink(struct mdt_thread_info *info,
                       mdt2obd_dev(info->mti_mdt)->obd_name,
                       (char *)rr->rr_name, PFID(mdt_object_fid(mc)));
 
+               if (!mdt_is_dne_client(req->rq_export))
+                       /* Return -EIO for old client */
+                       GOTO(unlock_parent, rc = -EIO);
+
                if (info->mti_spec.sp_rm_entry) {
                        struct lu_ucred *uc  = mdt_ucred(info);